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Unix Commands Interview Questions & Answers

Below we have listed all the Unix Commands Interview Questions and answers. Feel free to comment on any Unix Commands Interview Questions or answer by the comment feature available on the page.

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Using the commands ps, cut, tr and kill, along with pipes, write a command that will find all sleep processes running on the system and kill them? View Answer

Which command is used to delete all files in the current directory and all its sub-directories? View Answer

What is the difference between cat and more command? View Answer

Difference Between Grep and Find command ? View Answer

Is it possible to count number char, line in a file; if so, How? View Answer

Explain the steps that a shell follows while processing a command. View Answer

What is the significance of the ?tee? command? View Answer

What difference between cmp and diff commands? View Answer

What does the command ? $who | sort ?logfile > newfile? do? View Answer

Is ?du? a command? If so, what is its use? View Answer

Explain kill() and its possible return values. View Answer

How does the kernel differentiate device files and ordinary files? View Answer

What does the command ?$ls | wc ?l > file1? do? View Answer

What is the use of the command "ls -x chapter[1-5]" View Answer

What is redirection? View Answer

Write a command to kill the last background job? View Answer

Is it possible to create new a file system in UNIX? View Answer

How to terminate a process which is running and the specialty on command kill 0? View Answer

Construct pipes to execute the following jobs. View Answer

In UNIX 50 records are there,i want to retrieve the 20-30 records & iwant 23 record which commands we are using? View Answer

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